197480690 has 16 divisors (see below), whose sum is σ = 387780480. Its totient is φ = 71811120.

The previous prime is 197480677. The next prime is 197480741. The reversal of 197480690 is 96084791.

197480690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×197480690² = 77997245845752200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897530 + ... + 897749.

It is an arithmetic number, because the mean of its divisors is an integer number (24236280).

Almost surely, 2^197480690 is an apocalyptic number.

197480690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197480690 is a deficient number, since it is larger than the sum of its proper divisors (190299790).

197480690 is a wasteful number, since it uses less digits than its factorization.

197480690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795297.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 197480690 is about 14052.7822867929. The cubic root of 197480690 is about 582.3376622166.

The spelling of 197480690 in words is "one hundred ninety-seven million, four hundred eighty thousand, six hundred ninety".